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Author	SHA1	Message	Date
Junio C Hamano	836b6fb5a5	config: add generic callback wrapper to parse section.<url>.key Existing configuration parsing functions (e.g. http_options() in http.c) know how to parse two-level configuration variable names. We would like to exploit them and parse something like this: [http] sslVerify = true [http "https://weak.example.com"] sslVerify = false and pretend as if http.sslVerify were set to false when talking to "https://weak.example.com/path". Introduce `urlmatch_config_entry()` wrapper that: - is called with the target URL (e.g. "https://weak.example.com/path"), and the two-level variable parser (e.g. `http_options`); - uses `url_normalize()` and `match_urls()` to see if configuration data matches the target URL; and - calls the traditional two-level configuration variable parser only for the configuration data whose <url> part matches the target URL (and if there are multiple matches, only do so if the current match is a better match than the ones previously seen). Signed-off-by: Junio C Hamano <gitster@pobox.com>	12 years ago
Kyle J. McKay	3402a8dc48	config: add helper to normalize and match URLs Some http.* configuration variables need to take values customized for the URL we are talking to. We may want to set http.sslVerify to true in general but to false only for a certain site, for example, with a configuration file like this: [http] sslVerify = true [http "https://weak.example.com"] sslVerify = false and let the configuration machinery pick up the latter only when talking to "https://weak.example.com". The latter needs to kick in not only when the URL is exactly "https://weak.example.com", but also is anything that "match" it, e.g. https://weak.example.com/test https://me@weak.example.com/test The <url> in the configuration key consists of the following parts, and is considered a match to the URL we are attempting to access under certain conditions: . Scheme (e.g., `https` in `https://example.com/`). This field must match exactly between the config key and the URL. . Host/domain name (e.g., `example.com` in `https://example.com/`). This field must match exactly between the config key and the URL. . Port number (e.g., `8080` in `http://example.com:8080/`). This field must match exactly between the config key and the URL. Omitted port numbers are automatically converted to the correct default for the scheme before matching. . Path (e.g., `repo.git` in `https://example.com/repo.git`). The path field of the config key must match the path field of the URL either exactly or as a prefix of slash-delimited path elements. A config key with path `foo/` matches URL path `foo/bar`. A prefix can only match on a slash (`/`) boundary. Longer matches take precedence (so a config key with path `foo/bar` is a better match to URL path `foo/bar` than a config key with just path `foo/`). . User name (e.g., `me` in `https://me@example.com/repo.git`). If the config key has a user name, it must match the user name in the URL exactly. If the config key does not have a user name, that config key will match a URL with any user name (including none), but at a lower precedence than a config key with a user name. Longer matches take precedence over shorter matches. This step adds two helper functions `url_normalize()` and `match_urls()` to help implement the above semantics. The normalization rules are based on RFC 3986 and should result in any two equivalent urls being a match. Signed-off-by: Kyle J. McKay <mackyle@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	12 years ago

Author

SHA1

Message

Date

Junio C Hamano

836b6fb5a5

config: add generic callback wrapper to parse section.<url>.key

Existing configuration parsing functions (e.g. http_options() in
http.c) know how to parse two-level configuration variable names.
We would like to exploit them and parse something like this:

	[http]
		sslVerify = true
	[http "https://weak.example.com"]
		sslVerify = false

and pretend as if http.sslVerify were set to false when talking to
"https://weak.example.com/path".

Introduce `urlmatch_config_entry()` wrapper that:

 - is called with the target URL (e.g. "https://weak.example.com/path"),
   and the two-level variable parser (e.g. `http_options`);

 - uses `url_normalize()` and `match_urls()` to see if configuration
   data matches the target URL; and

 - calls the traditional two-level configuration variable parser
   only for the configuration data whose <url> part matches the
   target URL (and if there are multiple matches, only do so if the
   current match is a better match than the ones previously seen).

Signed-off-by: Junio C Hamano <gitster@pobox.com>

12 years ago

Kyle J. McKay

3402a8dc48

config: add helper to normalize and match URLs

Some http.* configuration variables need to take values customized
for the URL we are talking to.  We may want to set http.sslVerify to
true in general but to false only for a certain site, for example,
with a configuration file like this:

	[http]
		sslVerify = true
	[http "https://weak.example.com"]
		sslVerify = false

and let the configuration machinery pick up the latter only when
talking to "https://weak.example.com".  The latter needs to kick in
not only when the URL is exactly "https://weak.example.com", but
also is anything that "match" it, e.g.

	https://weak.example.com/test
	https://me@weak.example.com/test

The <url> in the configuration key consists of the following parts,
and is considered a match to the URL we are attempting to access
under certain conditions:

  . Scheme (e.g., `https` in `https://example.com/`). This field
    must match exactly between the config key and the URL.

  . Host/domain name (e.g., `example.com` in `https://example.com/`).
    This field must match exactly between the config key and the URL.

  . Port number (e.g., `8080` in `http://example.com:8080/`).  This
    field must match exactly between the config key and the URL.
    Omitted port numbers are automatically converted to the correct
    default for the scheme before matching.

  . Path (e.g., `repo.git` in `https://example.com/repo.git`). The
    path field of the config key must match the path field of the
    URL either exactly or as a prefix of slash-delimited path
    elements.  A config key with path `foo/` matches URL path
    `foo/bar`.  A prefix can only match on a slash (`/`) boundary.
    Longer matches take precedence (so a config key with path
    `foo/bar` is a better match to URL path `foo/bar` than a config
    key with just path `foo/`).

  . User name (e.g., `me` in `https://me@example.com/repo.git`). If
    the config key has a user name, it must match the user name in
    the URL exactly. If the config key does not have a user name,
    that config key will match a URL with any user name (including
    none), but at a lower precedence than a config key with a user
    name.

Longer matches take precedence over shorter matches.

This step adds two helper functions `url_normalize()` and
`match_urls()` to help implement the above semantics. The
normalization rules are based on RFC 3986 and should result in any
two equivalent urls being a match.

Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

12 years ago

2 Commits (0be0521b23f46dac586e1b464fafe8b97027b645)